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From: Michal on 1 Dec 2009 10:43
Before I explain exactly where is the problem I will show my code:
(Platform - Windows CE 5, VisualStudio 2005)

The interesting part of source code is below:

/**************************************************************/
class classA {
public:
static DWORD WINAPI testingThread(LPVOID lpvoid);
HANDLE m_hThread;
void startthread();

};

DWORD WINAPI classA::testingThread(LPVOID lpvoid)
{
return 1;

}

void classA::startthreadk()
{
for(int counter = 0 ; counter < 100 ; counter++) {
MEMORYSTATUS memInfo;
memInfo.dwLength = sizeof(memInfo);
GlobalMemoryStatus(&memInfo);
DWORD dwThreadId = 0;
m_hThread = CreateThread(NULL, 0, testingThread, this,
0,
&dwThreadId);
DWORD dwRet = WaitForSingleObject(m_hThread,
INFINITE);
if(WAIT_OBJECT_0 != dwRet) {
TRACE(_T("Something wrong !!! \n"));
}
int returnHandle = CloseHandle(m_hThread);
TRACE(_T("After closing handle = %d
\n"),returnHandle);
m_hThread = NULL;
MEMORYSTATUS memInfo1;
memInfo1.dwLength = sizeof(memInfo1);
GlobalMemoryStatus(&memInfo1);
TRACE(_T("%d Test %d\n"),counter, memInfo.dwAvailPhys
-
memInfo1.dwAvailPhys);
}

}

/**************************************************************/

The problem is that I don't know why but sometimes (usually one per
three times)
I can see the memory leak of 4096 bytes. Why? Do I do something wrong
with closing
thread? (Of course the program without creating thread works ok).
Closehandle
always returns 1, so everything should be ok.

I will be grateful for any response.

Michal
From: Ulrich Eckhardt on 2 Dec 2009 07:37
Michal wrote:
> Before I explain exactly where is the problem I will show my code:
> (Platform - Windows CE 5, VisualStudio 2005)

See my reply in microsoft.public.win32.programmer.wince.

Uli

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